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    <meta charset="UTF-8">
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    <title>Document</title>
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    <script>
        // 100内的偶数
         // for (i = 1; i <= 100 ; i++) {
        //     if (i % 2 != 0) {
        //         console.log (i)
        //     }
        // }

    </script>
</body>
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